Base | Representation |
---|---|
bin | 11001000110010001… |
… | …11011011001111000 |
3 | 1021210001112201112120 |
4 | 30203020323121320 |
5 | 210043424214140 |
6 | 10105020041240 |
7 | 654623614656 |
oct | 144310733170 |
9 | 37701481476 |
10 | 13474444920 |
11 | 5794a779a2 |
12 | 2740693220 |
13 | 136977a041 |
14 | 91b78bdd6 |
15 | 53ce1d1d0 |
hex | 32323b678 |
13474444920 has 32 divisors (see below), whose sum is σ = 40423335120. Its totient is φ = 3593185280.
The previous prime is 13474444889. The next prime is 13474444937. The reversal of 13474444920 is 2944447431.
13474444920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×134744449202 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56143401 + ... + 56143640.
Almost surely, 213474444920 is an apocalyptic number.
13474444920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13474444920 is an abundant number, since it is smaller than the sum of its proper divisors (26948890200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13474444920 is a wasteful number, since it uses less digits than its factorization.
13474444920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112287055 (or 112287051 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 42.
The spelling of 13474444920 in words is "thirteen billion, four hundred seventy-four million, four hundred forty-four thousand, nine hundred twenty".
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